diff --git a/2017-07_Seminar/Session 1 - SENNA/code for POS/preprocess.py b/2017-07_Seminar/Session 1 - SENNA/code for POS/preprocess.py
index 95114bd..7f063f8 100644
--- a/2017-07_Seminar/Session 1 - SENNA/code for POS/preprocess.py	
+++ b/2017-07_Seminar/Session 1 - SENNA/code for POS/preprocess.py	
@@ -25,6 +25,7 @@
     import pickle as pkl
 else: #Python 2.7 imports
     import cPickle as pkl
+    from io import open
 
 #We download English word embeddings from here https://www.cs.york.ac.uk/nlp/extvec/
 embeddingsPath = 'embeddings/wiki_extvec.gz'